Finding the Fourth Proportional to 75,445.92, 104,114.70 and 41,455.08
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Solution
The fourth proportional to 75,445.92, 104,114.70 and 41,455.08 is: 57,207.64
Step by Step Solution
- Step 1: Write the proportion equation
75,445.92 : 104,114.70 = 41,455.08 : x - Step 2: Convert to fraction form
75,445.92/104,114.70 = 41,455.08/x - Step 3: Cross multiply
75,445.92x = 104,114.70 × 41,455.08 - Step 4: Simplify right side
75,445.92x = 4,316,083,217.68 - Step 5: Solve for x
x = 4,316,083,217.68/75,445.92 - Step 6: Final answer
x = 57,207.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.